Home / 139,837.48-209,755.74-56,731.24

Finding the Fourth Proportional to 139,837.48, 209,755.74 and 56,731.24

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Solution

The fourth proportional to 139,837.48, 209,755.74 and 56,731.24 is: 85,096.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,837.48 : 209,755.74 = 56,731.24 : x
  2. Step 2: Convert to fraction form
    139,837.48/209,755.74 = 56,731.24/x
  3. Step 3: Cross multiply
    139,837.48x = 209,755.74 × 56,731.24
  4. Step 4: Simplify right side
    139,837.48x = 11,899,703,227.32
  5. Step 5: Solve for x
    x = 11,899,703,227.32/139,837.48
  6. Step 6: Final answer
    x = 85,096.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.